acclimate

To accustom or become accustomed to a new environment or situation; adapt. See synonyms at harden.

[French acclimater : a-, to (from Latin ad-; see ad–) + climat, climate (from Old French; see climate).]

verb

1. To make or become suitable to a particular situation or use: acclimatize, accommodate, adapt, adjust, conform, fashion, fit, reconcile, square, suit, tailor. See change/persist.
2. To make resistant to hardship, especially through continued exposure: acclimatize, caseharden, harden, indurate, season, toughen. See continue/stop/pause, resist/yield.

The verb has one meaning:

Meaning #1: get used to a certain climate
  Synonyms: acclimatize, acclimatise